KX-NS500, KX-NS520 - Panasonic PBX Service Manual Supplement (repair manual). Page 10

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10
3 Troubleshooting Guide
3.1.
Power Supply Unit
Changed from Original Service Manual as section 9.2.
3.1.1.
No Voltage is Output at All (1)
Changed from Original Service Manual as section 9.2.1.
Main converter output voltage error [Between pin1 and pin2 of CN100, DC Switch OFF]
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